tetra_op

说明：  此範例可測試STM32F103Z_GPIOG硬體腳位測試，由GPIOG~GPIOG15皆可左移驅動。(This paradigm may test STM32F103Z_GPIOG hardware feet a bit test, administered by GPIOG ~ GPIOG15 can be left-shift drivers.)

基于东南大学开发的SEP3203的ARM7中的所有驱动，可以学习ARM7的驱动写法，(Southeast University, based on the ARM7 development SEP3203 all drivers, the drivers can learn ARM7 wording)

ARM7-lpc2138 利用PWM作为标准的32定时器例子 (example of using PMW TO make timer by LPC 2138 arm7)

说明：  实现了nrf52840芯片的蓝牙串口功能，包括蓝牙广播、连接以及数据互传。(Realized nrf52840's Bluetooth serial port function.)

ARM数字时钟，用八位数码管实现简易电子时钟的时间显示(The ARM digital clock，With eight digital realization of simple electronic tube clock time)

stm32F103 uart 2fifo接收通道，发送缓存大小自我修改(stm32F103 uart 2fifo Sending and receiving channel to set the size of the cache)

关于nordic的BLE蓝牙空中升级详细流程(about ble nordic nrf5X dfu update)

1、基于stm23f103c8t6的开发板开发，外接rc522读卡板。 2，实现让windows系统把设备认成hid键盘，当刷M1卡时，把4字节的卡号以键盘输入的形式上送到电脑。 3，已在xp，win7系统上测试。把鼠标放在文本输入框中，刷卡，卡号即可显示在文本框中，并回车换行。(1, based on the stm23f103c8t6 development board development, external rc522 read card board. 2, to achieve the windows system to recognize the device as HID keyboard, when you brush the M1 card, the 4 byte card number in the form of keyboard input to the computer. 3, has been tested on the XP, win7 system. Put the mouse in the text input box, swipe the card, the card number can be displayed in the text box, and enter the line feed.)

cortex-M3技术手册、开发手册、开发指南、超级指南及stm32f10x固件库的参考手册（中文） 格式：pdf(cortex-M3 technical manuals, development of manuals, development guidelines, super guides and stm32f10x firmware library reference manual (Chinese) Format: pdf)

arm9,实现表达式计算器，编译环境ADT(arm9, realize expressions calculator, the compiler environment ADT)